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Roof Marker Lights

91K views 143 replies 40 participants last post by  Radke88  
#1 ·
I've searched but can't find the answer. I'm looking to buy a 2015 Denali 2500HD and I like the OEM roof lights. I've found a couple of possibilities but they don't have the roof lights installed. My question is can the dealer install these for a reasonable price or are they a factory install only?

Thanks in advance.
 
#2 ·
I installed some Recons on my 2005, but it was kind of a PIA in way. Mainly because I think I measured a dozen times before I drilled all those holes in my cab! Everything turned out ok, but if it was me I would be a little nervous letting someone else do it. I would think it would be fairly expensive labor wise. The lights are relatively cheap. Sad thing is it's only a $55 option from the factory. I think they should come standard on the HD's IMO. The GM lights look sharp. Don't care for the Ram or Fords personally.
 
#6 ·
Cab lights are a must for me, wouldn't look at a truck without them. When I was looking I was quoted $700 to install. I just laughed. I ended up ordering the truck which I highly recommend if your not in a rush.
 
#25 ·
Are you still able to get the current deals even if you order it ... ? Right now, deals out there are about $10,000-$11,000 off MSRP.
 
#11 ·
If it was me, I would probably keep looking until you found one already done from the factory or I would do it myself. I'm very meticulous about my truck so I would be worried that the measurements would be off...even if it was just a fraction, it would bug me.
 
#15 ·
Dealers can install cab lights. They'll charger you an arm & leg, but it can be done.
 
#19 ·
Plug and play, some trucks may have the harness already, just go to your dealer and run the vin #


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#18 ·
Dealer would not install mine and sent me to there body shop

So I decided to install them myself and was easy, measure twice and drill once, have a shot of your favorite beverage, scotch was mine lol before you drill
Anyways I got on this site and did tons of research and found crossfire879 had the best write up , here are some of his pictures with measurements



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#20 ·
My cab lights came in Monday ... damn good Ebay deal.



The OEM lights are 22794641 (center), 22794642 (left) and 22794643 (right).

Notice the mounting holes ... they are square ...



The template I plan to use .... I will use this to scale and dimension in AutoCAD and plot a full-size template to align in each corner then check with cardboard cut-outs ...



Here is a good image showing alignment ...



The wiring harness should be in this Friday ... 2015 OEM harness is 23170769.
 
#23 ·
All I'm saying is run your vin and check before you buy the harness
Mine didn't have it either


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#26 ·
#32 ·
What? You don't mention your vehicle make/model/year.

When I was looking to replace whatever someone had put on the used GMC I bought I used the website below to find the GM wiring harness and lights. The only reason why I didn't go with GM is because I would have had to drill larger holes for the pig tail connections.

This was the only site that I could find that had the wiring harness listed.
Factory GM Parts and Accessories - Lowest Prices | GMPartsDirect.co

The best I could tell for my 2011 GM's wiring harness connection plugged into the GM lights. Recon's came with the pig tail connector. Now if those would plug into the GM wiring harness that I do not know. In one of the links I previously posted I have pictures of the Recon harness and connector and a GM diagram. For my installation I took the Recon's and clipped the connector off and wired them to what ever someone else previously installed.
 
#35 ·
Sorry I posted the wrong harness, mine was 22823374 with Onstar. Irregardless 22823360 and 22823374 are the same for 2011 and 2014.

I thought I saw one online GM seller that listed 2015 parts but which one it was I don't remember. I was looking for the 2015 Duramax decal as I recall.
 
#36 ·
I looked at about a dozen GM parts websites and found no hits on 2015.

First I would contact one of the online GM parts sellers and ask if the harness numbers I gave you works for a 2015. If not then maybe it changed for 2015.
I would also ask if the light assembly part numbers are the same for 2015.
 
#40 · (Edited)
Well, picked up my harness today and had to test it .... voila, let there be light. Now need to drop the headliner and start cutting ... total install will be OEM.



 
#45 ·
I would hate to know what they are charging for the parts and labor ... !